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    <ul>
        <li><a href="http://www.kernel.org">linux</a></li>
        <li>redhat</li>
        <li>centos</li>
        <li>ubuntu</li>
        <li><img src="./img/1.png" alt=""></li>
    </ul>

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    <ol>
        <li><a href="http://www.kernel.org">linux</a></li>
        <li>redhat</li>
        <li>centos</li>
        <li>ubuntu</li>
        <li><a href="http://www.baidu.com"><img src="./img/1.png" alt=""></a></li>
    </ol>
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